Malicious PDF — malware analysis report

Static analysis result for SHA-256 025b806382713174…

MALICIOUS

PDF

185.7 KB Created: 2015-07-26 09:29:27 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 28fce23d0973d517303912a609fb6520 SHA-1: 8c1ebbac03dee572b8ce1c7911608be8de80f3dc SHA-256: 025b806382713174917031c1e2a95ea0245ebf431fc6994c506141302cfe11c0
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a link to known malicious redirector infrastructure. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=%D0%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%84%D0%B0%D1%80%D0%BC%D0%B0%D0%BA%D0%BE%D0%BF%D0%B5%D1%8F+10+%D0%B8%D0%B7%D0%B4%D0%B0%D0%BD%D0%B8%D0%B5+%D1%87%D0%B8%D1%82%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4198/4198033_igra_padal_proshlogodniy_sneg_1_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185208_windows_xp_32_bit_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4202/4202829_gfranq_skachat_na_kompyuter_besplatno.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002414f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2414F 3556 bytes
font_01_sfnt_off00024ed2.bin
37042eda5f1866b35c5f06e5b836cb76e18169de2404312395238f9f5a91d4f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24ED2 15420 bytes
font_02_sfnt_off00027e68.bin
38289d23cad9be3616ee8da6c70791c855e02ac54892d17b3395a9fce63ab9be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E68 14468 bytes
font_03_sfnt_off0002a91c.bin
a8200e4457510b4fc4c1e0d18500286ea7341b29fd3ec9a2492b622bda6e0872		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A91C 6912 bytes
font_04_sfnt_off0002bd31.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD31 6084 bytes
font_05_sfnt_off0002ccc6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCC6 3752 bytes

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